AI agents call list_legal_forms to retrieve information from Zefix without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns a static reference list of legal forms recognized by the Swiss Zefix register. It performs no write, delete, execute, or financial operations. The data retrieved is purely informational and publicly available. The blast radius of misuse is minimal—an agent could only spam requests or waste resources, not harm data or systems.
From the tool's definition Tool name 'list_legal_forms' and description 'List all Swiss legal forms' indicate retrieval of reference data with no side effects or data modification.
Attacks that exploit this kind of access
List all Swiss legal forms (Rechtsformen) recognized by Zefix. It is categorised as a Read tool in the Zefix MCP Server, which means it retrieves data without modifying state.
Register the Zefix MCP server in PolicyLayer and add a rule for list_legal_forms: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Zefix. Nothing to install.
list_legal_forms is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_legal_forms rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for list_legal_forms. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
list_legal_forms is provided by the Zefix MCP server (johnphilipp/mcp-server-zefix). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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